Everyday Science MCQs

5120 MCQs  (Page 167 of 512)

Attempt Everyday Science MCQs Quiz
Which of the following solution has the highest boiling point ?
A. 5.85% nacl solution
B. 18.0 % glucose solution
C. 6.0 % urea solution
D. All have same boiling point
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Which of the following can be used in laptops ?
A. Silver oxide battery
B. Fuel cell
C. Nickel cadmium cell
D. Lead accumulator
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Which is the unit of (K) rate constant for zero order reaction ?
A. S-1
B. Mol dm-3 s-1
C. Mol-1 dm3 s-1
D. Mol-2 dm6 s-1
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Which is carnalite________________?
A. Kci
B. Naci
C. Kci mgcl2 6h2o
D. Na2co3. 10h2o
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The most reactive allotropic form of phosphorus is________________?
A. White
B. Redox potential
C. Black
D. Violet
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Which molecule has the highest bond energy among the halogens_________________?
A. Fluorine
B. Chlorine
C. Iodine
D. Bromine
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The most paramagnetic element is____________________?
A. Iron
B. Cobalt
C. Chromium
D. Manganese
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Which one of the following looks odd__________________?
A. H2so4
B. Kmno4
C. H2s
D. K2cro4
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In 1 – pentene -4- yne the carbon exhibit hybridization_________________?
A. Sp3 – sp2
B. Sp2 – sp
C. Sp2 – sp
D. Sp3 – sp2 – sp
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When benzene is heated in air with V2O5 at 450°C yields_________________?
A. Phenol
B. Maleic anhydride
C. Glyoxal
D. Benzoic acid
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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